Wristwatch case



FIG. 1 is a top plan view of my improved wristwatch case;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front end elevational view thereof, the rear end view being an identical mirror image thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a wristwatch case, as shown and described. 